//  ----------------------------------------------------------------------------------
//  Copyright Microsoft Corporation
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//  http://www.apache.org/licenses/LICENSE-2.0
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//  ----------------------------------------------------------------------------------
#nullable enable
namespace DurableTask.Core
{
    using System;
    using System.Collections.Generic;
    using DurableTask.Core.Exceptions;

    /// <summary>
    /// Extension methods for <see cref="IExceptionPropertiesProvider"/>.
    /// </summary>
    public static class ExceptionPropertiesProviderExtensions
    {
        /// <summary>
        /// Extracts properties of the exception specified at provider.
        /// </summary>
        public static IDictionary<string, object?>? ExtractProperties(this IExceptionPropertiesProvider? provider, Exception exception)
        {
            if (exception is OrchestrationException orchestrationException &&
                orchestrationException.FailureDetails?.Properties != null)
            {
                return orchestrationException.FailureDetails.Properties;
            }

            if (provider == null)
            {
                return null;
            }

            return provider.GetExceptionProperties(exception);
        }
    }
}


